Senior Investment Data Analyst

MARS Solutions Group is seeking an experienced Senior Investment Data Analyst to support a critical data transformation project at a leading investment management organisation. The position involves analysing, cleansing, and reconciling large volumes of security, issuer, and benchmark data, with a focus on migrating financial reference data from legacy systems to modern platforms. The analyst will validate data accuracy, develop operational documentation, and serve as the subject matter expert for reference data during migration processes. Key skills include SQL, data mapping, root cause analysis, and experience with financial instruments such as equities and fixed income. The role requires collaboration with various teams to ensure data integrity and support downstream systems, within a contract employment setting in Boston.